But this year’s visitors witnessed more than firefall on February 22. They also saw an upside-down American flag, which Yosemite employees reportedly hung over the side of El Capitan to protest ...

Now what do they mean? To answer that, we turn back to linkage mapping in model organisms. The important thing to realize about linkage is that it helps researchers identify the locations on ...

(A) Quantitative trait locus (QTL) mapping requires parental strains (red and blue plots) that differ genetically for the trait, such as lines created by divergent artificial selection.

Read more <a href="https://www.kxan.com/news/science/mapping-the-universe-and-space-weather-2-nasa-satellites-launch-on-big-science-mission/">https://www.kxan.com ...